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Gausstek Corp. Series
WIRE WOUND INDUCTORS
FERRITE BASE / LARGE CURRENT
WI - C
OUTLINE
The characteristics of this series perform low RDC and carry large current. Best for power supply applications such as PC, conveyable telephone, and other
FEATURES
Very strong solderability by reflow soldering and soldering iron. Highly accurate dimensions can be mounted automatically Terminals are highly resistant to pull forces. Highly resistant to mechanical shoks and pressure. Highly reliable in environments of sudden temperature change and humidity. Superior IDC for DC to DC converter.
PRODUCT IDENTIFICATION
WI 20 C 18 2 J
a b c d e f
1U
g 50:565050
a:Type of products - SMD Wire wound inductors with Ferrite Base b:Dimension c:Materials d:Thickness e:Packing f:Tolerance g: Inductance 20:252018 25:322522 32:453232 C - Ferrite Base for high current application. 18 = 2.2mm Max. 22 = 2.6mm Max, 32 = 3.2mm, 50 = 5.0mm PCS/REEL - 1 = 1000, J : 5% 2 = 2000, G = 400, I = 500 K : 10% M : 20%
1N2 = 0.0012uH, 100N = 0.1uH, 1U = 1.0uH, 1U2 = 1.2uH, 1M = 1000 mH, 1M2 = 1200mH
The Part number of Lead-Free Products will be added "X" after original one as identification. EX: WS03X314G1N8X
APPLICATIONS
Microtelevisions, liquid crystal televisions,video cameras, portable VCRs, car radios,car stereos, thin tape radios, television tuners, mobile telephones, radio and other electronic devices.
SHAPES AND DIMENSIONS
in mm Type WI20C18 WI25C22 Alias in mm 252018 322522 Alias in inch 1008 1210 A Max. 2.92 3.70 B Max. 2.79 2.90 C Max. 2.2 2.6 D Ref. 0.7 0.9 E 2.03 2.40 F 0.51 0.51 G 1.52 2.18
WI20C18 & WI25C22
WI32C32 & WI50C50
in mm TYPE WI32C32 WI50C50 Alias in m 453232 565050 Alias in inch 1812 2220 L 4.50.3 5.60.3 W 3.20.3 5.00.3 H 3.20.2 5.00.2 P 1.40.4 1.80.3 E 0.90.2 1.30.2
Gausstek Corp.
Series
WIRE WOUND INDUCTORS
FERRITE BASE / LARGE CURRENT
WI - C
Test Tolerance Q Frequency ( % ) Min. (MHz)
J,K J,K J,K J,K J,K J,K J,K J,K J,K J,K J,K 25 25 25 25 25 25 20 20 20 20 16 7.96 7.96 7.96 7.96 7.96 7.96 2.52 2.52 2.52 2.52 2.52
ELECTRICAL CHARATERISTICS
WI20C18
Part Number
WI20C182 - 1U WI20C182 - 1U5 WI20C182 - 2U2 WI20C182 - 3U3 WI20C182 - 4U7 WI20C182 - 6U8 WI20C182 - 10U WI20C182 - 15U WI20C182 - 22U WI20C182 - 33U WI20C182 - 47U Tolerance: J = 5%, K = 10% Operating temperature range from -25 to 85 . L/Q : Agilent/HP4291 & Agilent/HP16193A SRF: Agilent/HP4291A RDC: DIGITAL MULTIMETER CH502BC / HP4338B IDC for Inductance drp 10% from its value without current
L (H)
1.00 1.50 2.20 3.30 4.70 6.80 10.00 15.00 22.00 33.00 47.00
SRF (MHz) Min.
300 270 140 95 90 68 45 40 25 25 20
RDC ( )Max.
0.34 0.42 0.5 0.65 0.8 1 1.5 2.2 2.7 4 8
IDC (mA)
1500 1400 1200 1000 800 730 700 500 470 400 300
Test Instruments : HP4291A Impedance / Material Analyzer
Gausstek Corp. WIRE WOUND INDUCTORS
Series
FERRITE BASE / LARGE CURRENT
WI - C
Tolerance ( % )
J,K J,K J,K J,K J,K J,K J,K J,K J,K J,K J,K J,K J,K J,K J,K J,K J,K J,K
ELECTRICAL CHARATERISTICS
WI25C22
Part Number
WI25C222 - 1U WI25C222 - 1U5 WI25C222 - 2U2 WI25C222 - 3U3 WI25C222 - 4U7 WI25C222 - 6U8 WI25C222 - 10U WI25C222 - 15U WI25C222 - 22U WI25C222 - 33U WI25C222 - 47U WI25C222 - 68U WI25C222 - 100U WI25C222 - 150U WI25C222 - 220U WI25C222 - 330U WI25C222 - 470U WI25C222 - 680U
L (H)
1.00 1.50 2.20 3.30 4.70 6.80 10.00 15.00 22.00 33.00 47.00 68.00 100.00 150.00 220.00 330.00 470.00 680.00
Test Q Min. Frequency (MHz)
20 20 20 20 20 20 15 15 15 15 15 15 15 15 15 15 15 15 7.96 7.96 7.96 7.96 7.96 7.96 2.52 2.52 2.52 2.52 2,52 2.52 0.796 0.796 0.796 0.796 0.796 0.796
SRF (MHz) Min.
100.0 80.0 68.0 54.0 43.0 33.0 28.0 19.0 16.0 12.0 10.0 9.0 6.0 5.0 4.0 3.5 2.8 2.0
RDC ( ) Max.
0.08 0.13 0.13 0.16 0.20 0.27 0.36 0.56 0.77 1.10 1.64 2.80 3.70 6.10 8.40 12.3 22 28
IDC (mA)
1500 1125 970 837 675 600 520 480 310 270 210 189 145 120 100 80 75 65
Tolerance: J = 5%, K = 10% Operating temperature range from -25 to 85 . L/Q : Agilent/HP4291A & Agilent/HP16193A (Over 1MHz) Agilent/HP4285A & Agilent/HP16193A ((Under 1MHz) SRF: Agilent/HP4291A RDC: DIGITAL MULTIMETER CH502BC / HP4338B IDC for Inductance drp 10% from its value without current
Test Instruments : HP4291A Impedance / Material Analyzer
Gausstek Corp.
Series
WIRE WOUND INDUCTORS
FERRITE BASE / LARGE CURRENT
WI - C
Test Frequency (MHz)
7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 0.796 0.796 0.796 0.796 0.796 0.796 0.796
ELECTRICAL CHARATERISTICS
WI32C32
Part Number L (H) Tolerance ( % )
K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K
Q Min.
10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 20 20 20 20 20 20 20
SRF (MHz) Min.
200.0 155.0 130.0 100.0 80.0 55.0 45.0 40.0 35.0 30.0 28.0 25.0 22.0 21.0 20.0 18.0 17.0 15.0 14.0 12.0 11.5 10.5 9.0 8.5 7.0 6.5 6.0 5.5 5.0 4.5 4.0
RDC ( )Max.
0.11 0.12 0.15 0.16 0.18 0.20 0.22 0.24 0.27 0.30 0.35 0.40 0.50 0.60 0.70 0.80 0.90 1.20 1.40 1.60 1.90 2.20 2.60 3.50 4.00 4.50 6.50 7.50 9.00 11.00 13.00
IDC (mA)
1050 1000 950 900 850 800 750 700 650 650 600 600 550 500 450 400 370 330 300 280 260 240 220 200 180 160 140 120 120 100 90
WI32C32IK - 1U 1.00 WI32C32IK - 1U2 1.20 WI32C32IK - 1U5 1.50 WI32C32IK - 1U8 1.80 WI32C32IK - 2U2 2.20 WI32C32IK - 2U7 2.70 WI32C32IK - 3U3 3.30 WI32C32IK - 3U9 3.90 WI32C32IK - 4U7 4.70 WI32C32IK - 5U6 5.60 WI32C32IK - 6U8 6.80 WI32C32IK - 8U2 8.20 WI32C32IK - 10U 10.00 WI32C32IK - 12U 12.00 WI32C32IK - 15U 15.00 WI32C32IK - 18U 18.00 WI32C32IK - 22U 22.00 WI32C32IK - 27U 27.00 WI32C32IK - 33U 33.00 WI32C32IK - 39U 39.00 WI32C32IK - 47U 47.00 WI32C32IK - 56U 56.00 WI32C32IK - 68U 68.00 WI32C32IK - 82U 82.00 WI32C32IK - 100U 100.00 WI32C32IK - 120U 120.00 WI32C32IK - 150U 150.00 WI32C32IK - 180U 180.00 WI32C32IK - 220U 220.00 WI32C32IK - 270U 270.00 WI32C32IK - 330U 330.00 Tolerance: J = 5%, K = 10% Operating temperature range from -25 to 85 . L/Q' SRF : HP4286A RF Impedance Analyzer L/Q : HP4284A LF Impedance Analyzer RDC: DIGITAL MULTIMETER HP4338B / CH502BC IDC : HP4284A & HP42841A
Test Instruments : HP4291A Impedance / Material Analyzer
Gausstek Corp.
Series
WIRE WOUND INDUCTORS
FERRITE BASE / LARGE CURRENT
WI - C
Tolerance ( % )
K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K
ELECTRICAL CHARATERISTICS
WI50C50
Part Number L (H) Q Min.
10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 20 20 20 20 20 20 20 20 20 20 20 20 20
Test Frequency (MHz)
7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 0.796 0.796 0.796 0.796 0.796 0.796 0.796 0.796 0.796 0.796 0.796 0.796 0.252
SRF (MHz) RDC ( )Max. Min.
95.0 70.0 55.0 47.0 42.0 37.0 34.0 32.0 29.0 26.0 24.0 22.0 19.0 17.0 16.0 14.0 13.0 11.5 10.5 9.5 8.5 7.8 7.0 6.4 6.0 5.4 4.8 4.4 3.9 3.6 3.2 2.9 2.6 2.4 2.2 2.0 1.8 0.030 0.035 0.040 0.050 0.060 0.070 0.080 0.090 0.110 0.130 0.150 0.180 0.210 0.250 0.300 0.360 0.430 0.520 0.620 0.720 0.850 1.000 1.200 1.400 1.600 1.900 2.200 2.800 3.400 4.200 4.900 5.800 7.000 8.500 10.000 13.000 15.000
IDC (mA)
1800 1700 1600 1400 1300 1200 1120 1050 950 880 810 750 690 630 580 530 480 440 400 370 340 310 290 270 250 230 210 190 170 155 140 130 120 110 100 90 85
WI50C50GK - 1U 1.00 WI50C50GK - 1U2 1.20 WI50C50GK - 1U5 1.50 WI50C50GK - 1U8 1.80 WI50C50GK - 2U 2.20 WI50C50GK - 2U7 2.70 WI50C50GK - 3U3 3.30 WI50C50GK - 3U9 3.90 WI50C50GK - 4U7 4.70 WI50C50GK - 5U6 5.60 WI50C50GK - 6U8 6.80 WI50C50GK - 8U2 8.20 WI50C50GK - 10U 10.00 WI50C50GK - 12U 12.00 WI50C50GK - 15U 15.00 WI50C50GK - 18U 18.00 WI50C50GK - 22U 22.00 WI50C50GK - 27U 27.00 WI50C50GK - 33U 33.00 WI50C50GK - 39U 39.00 WI50C50GK - 47U 47.00 WI50C50GK - 56U 56.00 WI50C50GK - 68U 68.00 WI50C50GK - 82U 82.00 WI50C50GK - 100U 100.00 WI50C50GK - 120U 120.00 WI50C50GK - 150U 150.00 WI50C50GK - 180U 180.00 WI50C50GK - 220U 220.00 WI50C50GK - 270U 270.00 WI50C50GK - 330U 330.00 WI50C50GK - 390U 390.00 WI50C50GK - 470U 470.00 WI50C50GK - 560U 560.00 WI50C50GK - 680U 680.00 WI50C50GK - 820U 820.00 WI50C50GK - 1M 1000 Tolerance: J = 5%, K = 10% Operating temperature range from -25 to 85 . L/Q' SRF : HP4286A RF Impedance Analyzer L/Q : HP4284A LF Impedance Analyzer
RDC: DIGITAL MULTIMETER HP4338B / CH502BC IDC : HP4284A & HP42841A
Test Instruments : HP4291A Impedance / Material Analyzer
Gausstek Corp. Series
WIRE WOUND INDUCTORS
FERRITE BASE / LARGE CURRENT
WI - C
REEL DIMENSIONS
Figure 1
Alias in inch Bulk PCS/REEL 2,000 2,000 500 400 Alias in mm
PACKAGING
TYPE
WI20C18 WI25C22 WI32C32 WI50C50
252018 322522 453232 565050
1008 1210 1812 2220
TAPE DIMENSIONS
Figure 2
Dimensions in mm Alias in Alias in TYPE mm inch WI20C18 252018 1008 WI25C22 322522 1210 WI32C32 453232 1812 WI50C50 565050 2220
A 2.70 2.95 3.30 5.35
B 2.95 3.85 5.00 6.10
T 2.25 2.45 3.50 5.50
W 8 12 12 16
P 4 4 8 12
F 3.5 3.5 5.5 7.5
K 0.23 0.25 0.30 0.35
REEL DIMENSIONS
Dimensions in mm Alias in Alias in TYPE mm inch WI20C18 252018 1008 WI25C22 322522 1210 WI32C32 453232 1812 WI50C50 565050 2220 Tape Material
Carrier tape: Polystyrene Cover type: Polystyrene
Fig
2 2 2 1
A
178 178 178 330
B
60 60 60 100
C
12 16 16 22
D
1.5 1.4 1.4 2.3
Recommended Pattern
PATTERN DIMENSIONS
in mm TYPE WI20C18 WI25C22 WI32C32 WI50C50 Alias in Alias in mm inch 252018 1008 322522 1210 453232 1812 565050 2220 I 1.02 1.00 1.50 2.00 J 1.27 2.00 3.00 4.00 H 2.54 2.70 2.80 4.50

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